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Backports following fix: hv: utils: add PTP_1588_CLOCK to Kconfig to fix build The hyperv utilities use PTP clock interfaces and should depend a a kconfig symbol such that they will be built as a loadable module or builtin so that linker errors do not happen. Prevents these build errors: ld: drivers/hv/hv_util.o: in function `hv_timesync_deinit': hv_util.c:(.text+0x37d): undefined reference to `ptp_clock_unregister' ld: drivers/hv/hv_util.o: in function `hv_timesync_init': hv_util.c:(.text+0x738): undefined reference to `ptp_clock_register' References: https://lore.kernel.org/stable/20220328093115.7486-1-ynezz@true.cz/T/#u Signed-off-by: Petr Štetiar <ynezz@true.cz>
47 lines
1.8 KiB
Diff
47 lines
1.8 KiB
Diff
From fba2153a200716c1fec1eafda7356bb347589efb Mon Sep 17 00:00:00 2001
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From: Randy Dunlap <rdunlap@infradead.org>
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Date: Thu, 25 Nov 2021 18:33:16 -0800
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Subject: [PATCH] hv: utils: add PTP_1588_CLOCK to Kconfig to fix build
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The hyperv utilities use PTP clock interfaces and should depend a
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a kconfig symbol such that they will be built as a loadable module or
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builtin so that linker errors do not happen.
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Prevents these build errors:
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ld: drivers/hv/hv_util.o: in function `hv_timesync_deinit':
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hv_util.c:(.text+0x37d): undefined reference to `ptp_clock_unregister'
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ld: drivers/hv/hv_util.o: in function `hv_timesync_init':
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hv_util.c:(.text+0x738): undefined reference to `ptp_clock_register'
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References: https://lore.kernel.org/stable/20220328093115.7486-1-ynezz@true.cz/T/#u
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Fixes: 3716a49a81ba ("hv_utils: implement Hyper-V PTP source")
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Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
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Reported-by: kernel test robot <lkp@intel.com>
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Cc: Arnd Bergmann <arnd@arndb.de>
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Cc: "K. Y. Srinivasan" <kys@microsoft.com>
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Cc: Haiyang Zhang <haiyangz@microsoft.com>
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Cc: Stephen Hemminger <sthemmin@microsoft.com>
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Cc: Wei Liu <wei.liu@kernel.org>
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Cc: Dexuan Cui <decui@microsoft.com>
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Cc: linux-hyperv@vger.kernel.org
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Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reviewed-by: Michael Kelley <mikelley@microsoft.com>
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Link: https://lore.kernel.org/r/20211126023316.25184-1-rdunlap@infradead.org
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Signed-off-by: Wei Liu <wei.liu@kernel.org>
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(cherry picked from commit 1dc2f2b81a6a9895da59f3915760f6c0c3074492)
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---
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drivers/hv/Kconfig | 1 +
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1 file changed, 1 insertion(+)
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--- a/drivers/hv/Kconfig
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+++ b/drivers/hv/Kconfig
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@@ -18,6 +18,7 @@ config HYPERV_TIMER
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config HYPERV_UTILS
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tristate "Microsoft Hyper-V Utilities driver"
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depends on HYPERV && CONNECTOR && NLS
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+ depends on PTP_1588_CLOCK_OPTIONAL
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help
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Select this option to enable the Hyper-V Utilities.
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